If you're a runner, the Nike Women's Aeroloft Running Vest is a must-have. This insulated vest is designed to keep you warm without restricting your movement. It features Nike Aeroloft technology, which uses lightweight insulation to provide warmth while allowing excess heat to escape. The Aeroloft Running Vest also has reflective details for enhanced visibility in low-light conditions and zippered pockets to store your essentials. Whether you're training for a marathon or going for a jog, this vest will keep you comfortable and safe.